Tutorial on CSS3 RGBA/ OOP with PHP - $15-20/tutorial

Hello, I need Tutorials written on HTML5/CSS3, advanced PHP (Intro on OOP with PHP) . These tutorials will be published in our newly developed wiki. We will be paying $15/1500+ words. You will paid more for quality. Payment via paypal only. PS: If you have no basic knowledge about web designing or any of the topics mentioned above, don't bother bidding. This is NOT A RESEARCH PROJECT, but you need to be a real programmer/developer to be a part of this. You will need to attach a similar tutorial which you had written earlier, we will use it to assess your skills. Bids without samples will not be considered. (In your PM, mention all the topics you can write about. Make sure the topics you mention are very unique)